Cold Start Injector: Service and Repair

REMOVING AND INSTALLING COLD START VALVE

Removing and installing:





- Pull off plug (1).
- Disconnect fuel line (2).
- Unscrew bolts.
- Take off cold start valve.

Installation Note:





- Check code number (1).
- Replace seal (2).

Checking:





- Unscrew cold start valve on intake manifold.
- Fuel line remains connected.
- Unscrew cold start valve on intake manifold.
- Fuel line remains connected.
- Pull off fuel pump relay (1).
- Bridge terminals 87 and 30 with Special Tool 61 3 050.
- Fuel pump runs.

Leak Test:





- Check permissible leak rate.

Checking Fuel Flow Rate and Spray Angle:





- Hold cold start valve in measuring glass 13 3 020.
- Plug Jetronic test lead 61 1 440 on cold start.
- Check fuel flow rate and spray angle (1).